That’s the plan going forward. We are going to put 2 in each tank but of course we can’t put any in the one tank for now.You can have a super medicated QT tank and have a good bacterial load for nitrifying purposes. I take sponges and filter fleece and drop it in my sump and pull it when I need it for QT. It never goes back in my DT sump tho for obvious reasons. I keep 10+ sponges in there for that reason.